Finding the Fourth Proportional to 344,328.62, 516,473.49 and 107,643.38
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Solution
The fourth proportional to 344,328.62, 516,473.49 and 107,643.38 is: 161,458.99
Step by Step Solution
- Step 1: Write the proportion equation
344,328.62 : 516,473.49 = 107,643.38 : x - Step 2: Convert to fraction form
344,328.62/516,473.49 = 107,643.38/x - Step 3: Cross multiply
344,328.62x = 516,473.49 × 107,643.38 - Step 4: Simplify right side
344,328.62x = 55,594,952,144.00 - Step 5: Solve for x
x = 55,594,952,144.00/344,328.62 - Step 6: Final answer
x = 161,458.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.